DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerDiagnosis system (BCM)
COMMON ITEM
COMMON ITEM : CONSULT Function (BCM - COMMON ITE
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with BC
SYSTEM APPLICATION
BCM can perform the following functions.
INT LAMP
INT LAMP : CONSULT Function (BCM - INT LAMP)
DATA MONITOR
ACTIVE TE ...
B2099 ignition relay off stuck
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
Turn the power supply position to start under the following
conditions and wait for at least 1 second.
CVT selector lever is in the P (Park) or N (Neutral) position.
Depress the brake ...
System description
COMPRESSOR CONTROL FUNCTION
Description
PRINCIPLE OF OPERATION
Compressor is not activated.
Functional circuit diagram
CAN (1): A/C switch signal
: Blower fan motor switch signal
CAN (2): A/C compressor request signal
Functional initial inspection chart
Fail-Safe
FAIL-SAFE FUNCTION ...